:root{--bg:#f6f3ec;--panel:#fff;--ink:#2b2a26;--line:#ddd6c6;--accent:#2E7D32;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}@media (prefers-color-scheme:dark){:root{--bg:#1b1a17;--panel:#262521;--ink:#eee9dc;--line:#3b3932;--accent:#66bb6a}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink);font-family:Georgia,Times New Roman,serif;overscroll-behavior:none}button,input,select{font:inherit;color:inherit}.app{height:100%;display:flex}.side{width:92px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;gap:12px;padding:16px 8px;overflow-y:auto;user-select:none;-webkit-user-select:none}.side h1{font-size:15px;margin:0 0 4px;font-weight:400;letter-spacing:.04em}.sw{width:46px;height:46px;border-radius:50% 4px;border:3px solid transparent;cursor:pointer;padding:0;transition:transform .15s;flex:none}.sw.on{border-color:var(--ink);transform:scale(1.15)}.sp{flex:1}.btn{font-size:13px;width:100%;padding:9px 4px;border-radius:8px;border:1px solid var(--line);background:transparent;cursor:pointer;text-align:center;text-decoration:none;display:inline-block}.btn.pri{background:var(--accent);color:#fff;border-color:var(--accent)}.btn:disabled{opacity:.5}.stage{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:12px;user-select:none;-webkit-user-select:none}.title{text-align:center;margin-bottom:8px}.title b{font-size:20px;font-weight:400}.title small{display:block;opacity:.7;font-size:13px}canvas{max-width:100%;max-height:calc(100% - 90px);aspect-ratio:1/1;background:#fff;border-radius:12px;box-shadow:0 2px 14px #0000002e;touch-action:manipulation;cursor:crosshair}.hint{font-size:14px;opacity:.8;margin-top:8px;text-align:center;min-height:1.2em}.center{height:100%;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px}.login{display:flex;gap:6px;margin-top:8px;align-items:center;flex-wrap:wrap;justify-content:center}.login input{padding:8px;border-radius:8px;border:1px solid var(--line);background:var(--panel);width:170px}.login .btn{width:auto;padding:8px 14px}.err{color:#c62828;font-size:13px;width:100%;text-align:center}@media (max-width:640px){.app{flex-direction:column-reverse}.side{width:auto;flex-direction:row;border-right:0;border-top:1px solid var(--line);padding:10px;justify-content:center;flex-wrap:wrap;gap:8px}.side h1,.sp{display:none}.sw{width:38px;height:38px}.btn{width:auto;padding:8px 12px}canvas{max-height:calc(100% - 100px)}}.dash{max-width:1100px;margin:0 auto;padding:16px;font-family:system-ui,sans-serif;font-size:15px}.dash header{display:flex;justify-content:space-between;align-items:center}.dash h1{font-size:22px;margin:0}.dash h2{font-size:17px;margin:24px 0 8px}.dash .btn{width:auto;padding:8px 14px}.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}.grid label{display:flex;flex-direction:column;font-size:12px;gap:3px}.dash input,.dash select,.dash td button,.dash td a{padding:8px;border:1px solid var(--line);border-radius:6px;background:var(--bg)}.scroll{overflow-x:auto;padding:0}table{border-collapse:collapse;width:100%;font-size:13px}td,th{padding:8px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}td.actions button,td.actions a{font-size:12px;padding:4px 8px;margin-right:4px;display:inline-block;color:inherit;text-decoration:none;cursor:pointer}.login .full{width:100%;text-align:center}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.dash header span{display:flex;gap:10px;align-items:center}